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6th International ICST Conference on Broadband Communications, Networks, and Systems

Research Article

On transport methods for peak utilization of dedicated connections

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  • @INPROCEEDINGS{10.4108/ICST.BROADNETS2009.7232,
        author={Qishi Wu and Nageswara S. V. Rao and Xukang Lu},
        title={On transport methods for peak utilization of dedicated connections},
        proceedings={6th International ICST Conference on Broadband Communications, Networks, and Systems},
        publisher={IEEE},
        proceedings_a={BROADNETS},
        year={2009},
        month={11},
        keywords={Transport methods dedicated channels stochastic approximation},
        doi={10.4108/ICST.BROADNETS2009.7232}
    }
    
  • Qishi Wu
    Nageswara S. V. Rao
    Xukang Lu
    Year: 2009
    On transport methods for peak utilization of dedicated connections
    BROADNETS
    IEEE
    DOI: 10.4108/ICST.BROADNETS2009.7232
Qishi Wu1,*, Nageswara S. V. Rao2,*, Xukang Lu1,*
  • 1: Department of Computer Science, University of Memphis, Memphis, TN 38152, USA
  • 2: Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
*Contact email: qishiwu@memphis.edu, raons@ornl.edu, xlv@memphis.edu

Abstract

Several research and production networks now provide multiple Gbps dedicated connections to meet the demands of large data transfers over wide-area networks. Application throughputs, however, were not able to match these rates because the traditional transport methods have not been optimized for such connections. We propose a transport method based on stochastic approximation methods that: (a) stabilizes the source rate for peak utilization of connection bandwidth, and (b) adapts the acknowledgment interval to maximize the goodput at the receiver. We show the asymptotic stability and convergence of this method in maximizing the throughput over dedicated connections under fairly general conditions. Extensive experimental results indicate the effectiveness of this transport method in achieving file transfer throughputs that closely match iperf bandwidth measurements on dedicated connections of several thousand miles over UltraScience Net and ESnet, and also illustrate its superior performance on a local dedicated connection in comparison with existing methods.

Keywords
Transport methods dedicated channels stochastic approximation
Published
2009-11-17
Publisher
IEEE
Modified
2010-05-16
http://dx.doi.org/10.4108/ICST.BROADNETS2009.7232
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